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游客2023-11-19  28

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答案                                           Global Warming
     Global warming is heating the planet twice as quickly as previously feared./Temperatures could soar by nearly 6℃ this century/--faster than at any time in the past 10,000 years,/warns a UN report released recently ./The report warns that a temperature rise of up to 5.8℃ ,/with the warming of the oceans and melting of polar icecaps,/will force sea levels to rise by as much as 3 feet,/making tens of millions of people in Bangladesh and Egypt homeless. /Parts of lowland Britain are also at risk./
     Scientists believe the predicted rise, which will bring storms, floods and droughts,/will be partly due to a reduction in air pollution . /The report was issued at a meeting in Shanghai./It’s said that a reduction in emissions of sulphur dioxide,/which causes acid rain, has increased the impact of greenhouse gases. /These gases trap the sun’s heat whereas sulphur dioxide cools the atmosphere.

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